Alonso is a 5-11 senior shortstop from New Jersey with a good frame and the ability to add strength. He's a 7.64 runner who threw 79 mph during infield drills while showing smooth infield actions and a quick release on his throws. Alonso shows good strength with the bat despite his 157 pounds. He has quick hands the show strength at contact. You can tell by looking at his swing that he's hit with some power with metal as he tends to drop his back shoulder and try to lift the ball. Overall, Alonso is a projectable prospect with some interesting tools now. He's also a good student.